CN109540486A - A kind of height-adjustable excitation loading device - Google Patents
A kind of height-adjustable excitation loading device Download PDFInfo
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- CN109540486A CN109540486A CN201811341684.6A CN201811341684A CN109540486A CN 109540486 A CN109540486 A CN 109540486A CN 201811341684 A CN201811341684 A CN 201811341684A CN 109540486 A CN109540486 A CN 109540486A
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- guide rod
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- pedestal
- locking nut
- supporting plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The application belongs to propeller hub center characteristic test technical field, in particular to a kind of height-adjustable hydraulic loading device, comprising: pedestal；Simulator is motivated, for propeller hub center loading simulation exciting force；And height adjustment device, it is connect with pedestal and excitation simulator, is able to drive excitation loading device movement, to adjust height of the excitation simulator relative to pedestal.
Description
Technical field
The application belongs to propeller hub center characteristic test technical field, in particular to a kind of height-adjustable hydraulic loaded dress
It sets.
Background technique
Propeller hub center dynamic response test is an important link of Analysis of Helicopter Ground Resonance, in new model helicopter
It is completed before first-fly.The core of propeller hub center dynamic response test is to propeller hub center loading simulation exciting force, since testing machine is divided into
Different lift conditions, propeller hub center can be increased with the increase of lift, this just needs to motivate the height of loading device can
It adjusts, so as to carry out accurately loading simulation exciting force to propeller hub center.Current excitation loading device is in use process
In, there are following both sides defects:
1) need more people's cooperations that its height is adjusted, working efficiency is low, high labor cost；
2) height adjustment low precision, it is difficult to realize to carrying out accurately loading simulation exciting force in propeller hub.
Thus, it is desirable to have a kind of technical solution overcomes or at least mitigates at least one drawbacks described above of the prior art.
Summary of the invention
The purpose of the application is to provide a kind of height-adjustable excitation loading device, to overcome or alleviated by above-mentioned at least one party
The scarce limit in face.
The technical solution of the application is:
A kind of height-adjustable excitation loading device, comprising:
Pedestal；
Simulator is motivated, for propeller hub center loading simulation exciting force；And
Height adjustment device is connect with pedestal and excitation simulator, excitation loading device movement is able to drive, to adjust
Motivate height of the simulator relative to pedestal.
Optionally, height adjustment device includes:
Guide frame is fixedly connected with pedestal；
Fixed structure is connect with guide frame, and excitation simulator is fixed on fixed structure；And
Adjustment structure is connect with guide frame and fixed structure, is able to drive fixed structure and is axially moved along guide frame,
Make fixed structure close to or far from pedestal, to make to motivate simulator close to or far from pedestal, realizes to excitation simulator
The adjusting of height.
Optionally, fixed structure includes supporting plate, is opened up thereon there are four guide through hole, excitation simulator is fixed at
On supporting plate；
Guide frame includes four guide rods, and each guide rod one end passes through guide through hole and is fixedly connected with pedestal, supporting plate
It can be axially moved along guide rod；Wherein, four guide rods are referred to as the first guide rod, the second guide rod, third guide rod
And the 4th guide rod；
Adjustment structure includes:
Two supporting blocks, wherein
One supporting block is known as the first supporting block, and one end is fixedly connected with the first guide rod far from one end of pedestal,
The other end is fixedly connected with the second guide rod far from one end of pedestal；
Another supporting block is known as the second supporting block, and one end is fixedly connected with third guide rod far from one end of pedestal,
Its other end is fixedly connected with the 4th guide rod far from one end of pedestal；
Two slide bars, wherein
One slide bar is known as the first slide bar, and one end is fixedly connected with one end of the first supporting block, and tie point is known as
One tie point；The other end of first slide bar is fixedly connected with one end of the second supporting block, and tie point is known as the second tie point；
Another slide bar is known as the second slide bar, and one end is fixedly connected with the other end of the first supporting block, and tie point claims
For third tie point；The other end of second slide bar is fixedly connected with the other end of the second supporting block, and tie point is known as the second company
Contact；
First tie point, the second tie point, third tie point and the 4th tie point are located at four of a rectangle
Apex, the plane where rectangle are parallel with supporting plate；
The first tie point and the symmetrical plane of the second tie point is set to be known as radial symmetric face；
The first tie point and the symmetrical plane of third tie point is set to be known as axially symmetric face；
Two sliding blocks, wherein
One sliding block is known as the first sliding block, and one end is connect with the wall sliding of the first slide bar, the other end and the second slide bar
Wall sliding connection；
Another sliding block is known as the second sliding block, and one end is connect with the wall sliding of the first slide bar, and the other end and second is slided
The wall sliding of bar connects；
First sliding block is symmetrical about radial symmetric face with the second sliding block；
First sliding block axially opens up the first tapped through hole along slide bar；
Second sliding block axially opens up the second tapped through hole along slide bar；
Screw rod is connect with the first tapped through hole and the second tapped through hole by being threadedly engaged；
Four hinge bars are referred to as the first hinge bar, the second hinge bar, third hinge bar and the 4th hinge bar,
In,
First hinge bar one end and the first sliding block are hinged, and the other end is hinged with supporting plate；
Second hinge bar one end and the first sliding block are hinged, and the other end is hinged with supporting plate；
Third hinge bar one end and the first sliding block are hinged, and the other end is hinged with supporting plate；
4th hinge bar one end and the first sliding block are hinged, and the other end is hinged with supporting plate；
First hinge bar and the axially symmetric face of the second hinge bar are symmetrical；
Third hinge bar and the 4th axially symmetric face of hinge bar are symmetrical；
First hinge bar and third hinge bar radial symmetric face are symmetrical；
Second hinge bar and the 4th hinge bar radial symmetric face are symmetrical；
Wherein,
Screw rod rotation drives two sliding blocks opposite or backwards to moving, two sliding blocks drive supporting plate along guide rod by four hinge bars
It is axially moved, to make to be fixed on excitation simulator on supporting plate close to or far from pedestal, to realize to excitation simulation dress
Set the adjusting of height.
Optionally, the first supporting block axially opens up the first support through holes along slide bar；
Second supporting block axially opens up the second support through holes along slide bar；
Adjustment structure further include:
Two bearings a, wherein bearing is arranged in the first support through holes, and its outer ring and the first support through holes inner wall are solid
Fixed connection；Another bearing is arranged in the second support through holes, and its outer ring is fixedly connected with the second support through holes inner wall；With
And
Handle, the inner ring of a bearing is arranged in screw rod one end, and is fixedly connected with the inner ring of the bearing；Screw rod it is another
The inner ring across another bearing is held to be fixedly connected with handle, and the inner ring of the bearing is fixedly connected with the inner wall of screw rod.
Optionally, the both ends of each supporting block open up connection through-hole；
The connection through-hole of first supporting block one end is set in the one end of the first guide rod far from pedestal, the connection of the other end
Through-hole is set in the one end of the second guide rod far from pedestal；
The connection through-hole of second supporting block one end is set in the one end of third guide rod far from pedestal, the connection of the other end
Through-hole is set in the 4th one end of guide rod far from pedestal；
It is threadedly engaged on each guide rod and is provided with the first locking nut and the second locking nut, wherein
The first locking nut position and the second locking nut on each guide rod are matched for clamping tightly and are set on the guide rod
One end of supporting block.
Optionally, it is threadedly engaged on each guide rod and is provided with third locking nut and the 4th locking nut；
Third locking nut on each guide rod is located at the side of supporting plate, and the 4th nut is located at the other side of supporting plate；
Third locking nut and the 4th locking nut on each guide rod include
First assembled state, third locking nut and the 4th locking nut are matched for clamping tightly supporting plate；
Second assembled state, third locking nut and the 4th locking nut are far from supporting plate；
Wherein,
Third locking nut and the 4th locking nut on each guide rod are in the first assembled state, supporting plate and guide rod
It is fixed；
Third locking nut and the 4th locking nut on each guide rod are in the second combination shape
Optionally, it is threadedly engaged on each guide rod and is provided with the 5th locking nut；
The 5th locking nut and pedestal on each guide rod, which contradict, to be connected.
Optionally, the both ends of each sliding block axially offer the through-hole that is slidably connected along slide bar；
The through-hole that is slidably connected of first sliding block one end is set on the first slide bar, and the through-hole that is slidably connected of the other end is arranged
On the second slide bar；First sliding block can slide axially along slide bar；
The through-hole that is slidably connected of second sliding block one end is set on the first slide bar, and the through-hole that is slidably connected of the other end is arranged
On the second slide bar；Second sliding block can slide axially along slide bar.
Optionally, excitation simulator includes hydraulic actuator, and hydraulic actuator is fixed on supporting plate；
Further include having:
Fixed plate is vertically arranged with supporting plate, and is fixedly connected with pedestal, is offered at least along the horizontal direction of supporting plate thereon
One the first T-slot；
Sliding panel, one side axially offer at least one second T-slot along guide rod, and the other side is provided at least one
First sliding protrusion, each first sliding protrusion clearance fit are arranged in first T-slot；
Sliding shoe, one side are detachably secured with hydraulic actuator root and connect, and one side is provided at least
One second sliding protrusion, each first sliding protrusion clearance fit are arranged in first T-slot.
Optionally, the connection of at least one first slide bolt is provided on sliding panel, the first slide bolt includes
First locking state, the first slide bolt and the first T-slot wall surface contradict, and sliding panel and fixed Board position are opposite solid
It is fixed；
First sliding mode, the first slide bolt and the first T-slot wall surface are detached from, and sliding panel can be along the first T-slot axis
It is moved to relative to fixed plate；
The connection of at least one second slide bolt is provided on sliding shoe, the second slide bolt includes
Second locking state, the second slide bolt and the second T-slot wall surface contradict, and sliding shoe and sliding Board position are opposite solid
It is fixed；
Second sliding mode, the second slide bolt and the second T-slot wall surface are detached from, and sliding shoe can be along the second T-slot axis
It is moved to relative to sliding panel.
At least there are following advantageous effects in the application: providing a kind of height-adjustable excitation loading device, set
It sets height adjustment device to connect with pedestal and excitation simulator, drives excitation loading device movement, make that simulator is motivated to lean on
Close or remote from pedestal, to realize the adjusting to excitation simulator height, can efficiently realize accurate to being carried out in propeller hub
Ground loading simulation exciting force.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the height-adjustable excitation loading device of the application.
Wherein:
1, sliding panel；2, handle；3, bearing；4, sliding shoe；5, screw rod；6, sliding block；7, slide bar；8, fixed plate；9, it supports
Block；10, hinge bar；11, ear is hingedly pitched；12, guide rod；13, simulator is motivated；14, supporting plate；15, pedestal.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application implementation clearer, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the application
A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
In explanation the application, and it should not be understood as the limitation to the application.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without creative efforts, shall fall in the protection scope of this application.Under
Face is described in detail embodiments herein in conjunction with attached drawing.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of description the application and simplifies description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the application
The limitation of range.
1 couple of the application is described in further details with reference to the accompanying drawing.
A kind of height-adjustable excitation loading device, comprising:
Pedestal 15；
Simulator 13 is motivated, for propeller hub center loading simulation exciting force；And
Height adjustment device is connect with pedestal 15 and excitation simulator 13, is able to drive excitation loading device movement, is made
Motivate simulator 13 close to or far from pedestal 15, to realize the adjusting to excitation 13 height of simulator.
Further, height adjustment device includes:
Guide frame is fixedly connected with pedestal 15；
Fixed structure is connect with guide frame, and excitation simulator 13 is fixed on fixed structure；And
Adjustment structure is connect with guide frame and fixed structure, is able to drive fixed structure and is axially moved along guide frame,
Make fixed structure close to or far from pedestal 15, to make to motivate simulator 13 close to or far from pedestal 15, realizes to excited modes
The adjusting of quasi- 13 height of device.
Further, fixed structure includes supporting plate 14, is opened up thereon there are four guide through hole, excitation simulator 13 is fixed
It is arranged on supporting plate 14；
Guide frame includes four guide rods 12, and each 12 one end of guide rod passes through guide through hole and the fixed company of pedestal 15
It connects, supporting plate 14 can be axially moved along guide rod 12；Wherein, four guide rods 12 are referred to as the first guide rod, the second guiding
Bar, third guide rod and the 4th guide rod；
Adjustment structure includes:
Two supporting blocks 9 a, wherein supporting block 9 is known as the first supporting block, and one end and the first guide rod are far from pedestal 15
One end be fixedly connected, the other end is fixedly connected with the second guide rod far from one end of pedestal 15；Another supporting block 9 is known as
Second supporting block, one end are fixedly connected with third guide rod far from one end of pedestal 15, and the other end is remote with the 4th guide rod
One end from pedestal 15 is fixedly connected；
Two slide bars 7, wherein a slide bar 7 is known as the first slide bar, and one end is fixedly connected with one end of the first supporting block,
Its tie point is known as the first tie point；The other end of first slide bar is fixedly connected with one end of the second supporting block, and tie point claims
For the second tie point；Another slide bar 7 is known as the second slide bar, and one end is fixedly connected with the other end of the first supporting block, connects
Contact is known as third tie point；The other end of second slide bar is fixedly connected with the other end of the second supporting block, and tie point is known as
Second tie point；First tie point, the second tie point, third tie point and the 4th tie point are located at the four of a rectangle
A apex, the plane where rectangle are parallel with supporting plate 14；
The first tie point and the symmetrical plane of the second tie point is set to be known as radial symmetric face；
The first tie point and the symmetrical plane of third tie point is set to be known as axially symmetric face；
Two sliding blocks 6 a, wherein sliding block 6 is known as the first sliding block, and one end is connect with the wall sliding of the first slide bar, separately
One end is connect with the wall sliding of the second slide bar；Another sliding block 6 is known as the second sliding block, and one end and the wall surface of the first slide bar are sliding
Dynamic connection, the other end are connect with the wall sliding of the second slide bar；
First sliding block is symmetrical about radial symmetric face with the second sliding block；
First sliding block axially opens up the first tapped through hole along slide bar 7；Second sliding block leads to along axial second screw thread that opens up of slide bar 7
Hole；
Screw rod 5 is connect with the first tapped through hole and the second tapped through hole by being threadedly engaged；
Four hinge bars 10 are referred to as the first hinge bar, the second hinge bar, third hinge bar and the 4th hinge bar,
Wherein, first hinge bar one end and the first sliding block are hinged, and the other end and supporting plate 14 are hinged；Second hinge bar one end and the first sliding block
Hingedly, the other end and supporting plate 14 are hinged；Third hinge bar one end and the first sliding block are hinged, and the other end and supporting plate 14 are hinged；4th
Hinge bar one end and the first sliding block are hinged, and the other end and supporting plate 14 are hinged；First hinge bar and the axially symmetric face of the second hinge bar
Symmetrically；Third hinge bar and the 4th axially symmetric face of hinge bar are symmetrical；
First hinge bar and third hinge bar radial symmetric face are symmetrical；Second hinge bar and the 4th hinge bar radial symmetric face
Symmetrically；
Wherein, the rotation of screw rod 5 drives two sliding blocks 6 opposite or backwards to moving, and two sliding blocks 6 drive support by four hinge bars 10
Plate 14 is axially moved along guide rod 12, thus make the excitation simulator 13 being fixed on supporting plate 14 close to or far from pedestal 15,
To realize the adjusting to excitation 13 height of simulator, realize one, efficiently, accurately to the excitation height of simulator 13
Adjusting, and above-mentioned setting can make to excitation 13 height adjustment of simulator it is steadily reliable.
It is hinged by hingedly fork ear 11 with pedestal 14 and two sliding blocks 6 for above-mentioned hinge bar 10.
Further, the first supporting block axially opens up the first support through holes along slide bar 7；Second supporting block is axial along slide bar 7
Open up the second support through holes；
Adjustment structure further include: two bearings 3, wherein bearing 3 is arranged in the first support through holes, and its outer ring with
First support through holes inner wall is fixedly connected；Another bearing 3 is arranged in the second support through holes, and its outer ring and the second support are logical
Hole inner wall is fixedly connected；And handle 2, the inner ring of a bearing 3 is arranged in 5 one end of screw rod, and fixes with the inner ring of the bearing
Connection；The inner ring that the other end of screw rod 5 passes through another bearing is fixedly connected with handle 2, and the inner ring of the bearing and screw rod 5 is interior
Wall is fixedly connected.
Further, the both ends of each supporting block 9 open up connection through-hole；The connection through-hole of first supporting block one end is arranged
In the one end of the first guide rod far from pedestal 15, the connection through-hole of the other end is set in one of the second guide rod far from pedestal 15
End；The connection through-hole of second supporting block one end is set in the one end of third guide rod far from pedestal 15, and the connection of the other end is logical
Hole is set in the 4th one end of guide rod far from pedestal 15；Be threadedly engaged on each guide rod 12 be provided with the first locking nut and
Second locking nut, wherein the first locking nut position and the second locking nut on each guide rod 12 are matched for clamping tightly and are set in
One end of supporting block 9 on the guide rod 12.
Further, it is threadedly engaged on each guide rod 12 and is provided with third locking nut and the 4th locking nut；Each
Third locking nut on guide rod 12 is located at the side of supporting plate 14, and the 4th nut is located at the other side of supporting plate 14；Each guiding
Third locking nut and the 4th locking nut on bar 12 include the first assembled state, third locking nut and the 4th locking screw
Mother is matched for clamping tightly supporting plate 14；Second assembled state, third locking nut and the 4th locking nut are far from supporting plate 14；
Wherein,
Third locking nut and the 4th locking nut on each guide rod 12 are in the first assembled state, supporting plate 14 with lead
It is fixed to bar 12；
Third locking nut and the 4th locking nut on each guide rod 12 are in the second assembled state, and supporting plate 14 can
It is axially moved under the drive of regulating device along guide rod 12.
Further, it is threadedly engaged on each guide rod 12 and is provided with the 5th locking nut；On each guide rod 12
Five locking nuts and pedestal 15, which contradict, to be connected.Above-mentioned setting can increase the stability that guide rod 12 is connect with pedestal 15.
Further, the both ends of each sliding block 6 axially offer the through-hole that is slidably connected along slide bar 7；First sliding block one end
The through-hole that is slidably connected be set on the first slide bar, the through-hole that is slidably connected of the other end is set on the second slide bar；First is sliding
Block can slide axially along slide bar 7；The through-hole that is slidably connected of second sliding block one end is set on the first slide bar, the cunning of the other end
Dynamic connection through-hole is set on the second slide bar；Second sliding block can slide axially along slide bar 7.
Further, excitation simulator 13 includes hydraulic actuator, and hydraulic actuator is fixed on supporting plate 14；Also
Include: fixed plate 8 is vertically arranged with supporting plate 14, and is fixedly connected with pedestal 15, and the horizontal direction along supporting plate 14 opens up thereon
There is at least one first T-slot；Sliding panel 1, one side axially offers at least one second T-slot along guide rod 12, another
Side is provided at least one first sliding protrusion, and each first sliding protrusion clearance fit is arranged in first T-slot；It is sliding
Motion block 4, one side are detachably secured with hydraulic actuator root and connect, and one side is provided at least one second cunning
Dynamic protrusion, each first sliding protrusion clearance fit are arranged in first T-slot.Above-mentioned design can guarantee can be accurately
Increase the stability force to excitation simulator 13.
Further, the connection of at least one first slide bolt is provided on sliding panel 1, the first slide bolt includes the
One locking state, the first slide bolt and the first T-slot wall surface contradict, and sliding panel 1 and 8 position of fixed plate are relatively fixed；First
Sliding mode, the first slide bolt and the first T-slot wall surface are detached from, and sliding panel 1 can be along the first T-slot axially with respect to fixation
Plate 8 moves；The connection of at least one second slide bolt is provided on sliding shoe 4, the second slide bolt includes the second locking shape
State, the second slide bolt and the second T-slot wall surface contradict, and sliding shoe 4 and 1 position of sliding panel are relatively fixed；Second sliding mode,
Second slide bolt and the second T-slot wall surface are detached from, and sliding shoe 4 can be moved along the second T-slot axially with respect to sliding panel 1.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Within the technical scope of the present application, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
Cover within the scope of protection of this application.Therefore, the protection scope of the application should be with the scope of protection of the claims
It is quasi-.
Claims (10)
1. a kind of height-adjustable excitation loading device characterized by comprising
Pedestal (15)；
It motivates simulator (13), for propeller hub center loading simulation exciting force；And
Height adjustment device connect with the pedestal (15) and the excitation simulator (13), and is able to drive the excitation
Simulator (13) movement, to adjust height of excitation simulator (13) relative to the pedestal (15).
2. excitation loading device according to claim 1, which is characterized in that the height adjustment device includes:
Guide frame is fixedly connected with the pedestal (15)；
Fixed structure is connect with the guide frame, and the excitation simulator (13) is fixed on the fixed structure；
And
Adjustment structure is connect with the guide frame and the fixed structure, is able to drive the fixed structure along the guiding
Structure is axially moved, and makes the fixed structure close to or far from the pedestal (15), to make the excitation simulator (13)
Close to or far from the pedestal (15), the adjusting to described excitation simulator (13) height is realized.
3. excitation loading device according to claim 2, which is characterized in that
The fixed structure includes supporting plate (14), is opened up thereon there are four guide through hole, the excitation simulator (13) is fixed
It is arranged on the supporting plate (14)；
The guide frame includes four guide rods (12), and each described guide rod (12) one end passes through the guide through hole and institute
It states pedestal (15) to be fixedly connected, the supporting plate (14) can be axially moved along the guide rod (12)；Wherein, four guiding
Bar (12) is referred to as the first guide rod, the second guide rod, third guide rod and the 4th guide rod；
The adjustment structure includes:
Two supporting blocks (9), wherein
One supporting block (9) is known as the first supporting block, and one end and first guide rod are far from the pedestal (15)
One end is fixedly connected, and the other end is fixedly connected with the second guide rod far from one end of the pedestal (15)；
Another described supporting block (9) is known as the second supporting block, and one end and the third guide rod are far from the pedestal (15)
One end be fixedly connected, the other end is fixedly connected with the 4th guide rod far from one end of the pedestal (15)；
Two slide bars (7), wherein
One slide bar (7) is known as the first slide bar, and one end is fixedly connected with one end of first supporting block, tie point
Referred to as the first tie point；The other end of first slide bar is fixedly connected with one end of second supporting block, and tie point claims
For the second tie point；
Another described slide bar (7) is known as the second slide bar, and one end is fixedly connected with the other end of first supporting block, connects
Contact is known as third tie point；The other end of second slide bar is fixedly connected with the other end of second supporting block, is connected
Contact is known as the second tie point；
First tie point, second tie point, the third tie point and the 4th tie point are located at one
Four apexes of a rectangle, the plane where the rectangle are parallel with the supporting plate (14)；
First tie point and the symmetrical plane of the second tie point is set to be known as radial symmetric face；
First tie point and the symmetrical plane of third tie point is set to be known as axially symmetric face；
Two sliding blocks (6), wherein
One sliding block (6) is known as the first sliding block, and one end is connect with the wall sliding of first slide bar, the other end and institute
State the wall sliding connection of the second slide bar；
Another described sliding block (6) is known as the second sliding block, and one end is connect with the wall sliding of first slide bar, the other end with
The wall sliding of second slide bar connects；
First sliding block is symmetrical about the radial symmetric face with second sliding block；
First sliding block axially opens up the first tapped through hole along the slide bar (7)；
Second sliding block axially opens up the second tapped through hole along the slide bar (7)；
Screw rod (5) is connect with the first tapped through hole and the second tapped through hole by being threadedly engaged；
Four hinge bars (10), are referred to as the first hinge bar, the second hinge bar, third hinge bar and the 4th hinge bar,
In,
First hinge bar one end and the first sliding block are hinged, and the other end and the supporting plate (14) are hinged；
Second hinge bar one end and the first sliding block are hinged, and the other end and the supporting plate (14) are hinged；
Third hinge bar one end and the first sliding block are hinged, and the other end and the supporting plate (14) are hinged；
Described 4th hinge bar one end and the first sliding block are hinged, and the other end and the supporting plate (14) are hinged；
First hinge bar and the axially symmetric face of the second hinge bar are symmetrical；
The third hinge bar and the axially symmetric face of the 4th hinge bar are symmetrical；
First hinge bar and the third hinge bar radial symmetric face are symmetrical；
Second hinge bar and the 4th hinge bar radial symmetric face are symmetrical；
Wherein,
Screw rod (5) rotation drives two sliding blocks (6) opposite or backwards to moving, two sliding blocks (6) pass through described in four
Hinge bar (10) drives the supporting plate (14) to be axially moved along the guide rod (12), to make to be fixed on the supporting plate (14)
The excitation simulator (13) close to or far from the pedestal (15), to realize to excitation simulator (13) height
The adjusting of degree.
4. excitation loading device according to claim 3, which is characterized in that
First supporting block axially opens up the first support through holes along the slide bar (7)；
Second supporting block axially opens up the second support through holes along the slide bar (7)；
The adjustment structure further include:
Two bearings (3) a, wherein bearing (3) is arranged in first support through holes, and its outer ring and described first
Support through holes inner wall is fixedly connected；Another described bearing (3) is arranged in second support through holes, and its outer ring with it is described
Second support through holes inner wall is fixedly connected；And
Handle (2), the inner ring in a bearing (3) is arranged in described screw rod (5) one end, and fixes and connect with the inner ring of the bearing
It connects；The inner ring that the other end of the screw rod (5) passes through another bearing is fixedly connected with the handle (2), and the bearing
Inner ring is fixedly connected with the inner wall of the screw rod (5).
5. excitation loading device according to claim 4, which is characterized in that
The both ends of each supporting block (9) open up connection through-hole；
The connection through-hole of first supporting block one end is set in one of first guide rod far from the pedestal (15)
End, the connection through-hole of the other end are set in the described one end of second guide rod far from the pedestal (15)；
The connection through-hole of second supporting block one end is set in one of the third guide rod far from the pedestal (15)
End, the connection through-hole of the other end are set in the one end of the 4th guide rod far from the pedestal (15)；
It is threadedly engaged on each guide rod (12) and is provided with the first locking nut and the second locking nut, wherein
First locking nut position and second locking nut on each guide rod (12) are matched for clamping tightly and are set in
One end of the supporting block (9) on the guide rod (12).
6. according to claim 5 encourage loading device, which is characterized in that
It is threadedly engaged on each guide rod (12) and is provided with third locking nut and the 4th locking nut；
The third locking nut on each guide rod (12) is located at the side of the supporting plate (14), the 4th nut
Positioned at the other side of the supporting plate (14)；
The third locking nut and the 4th locking nut on each guide rod (12) include
First assembled state, the third locking nut and the 4th locking nut are matched for clamping tightly the supporting plate (14)；
Second assembled state, the third locking nut and the 4th locking nut are far from the supporting plate (14)；
Wherein,
The third locking nut and the 4th locking nut on each guide rod (12) are in the first assembled state,
The supporting plate (14) and the guide rod (12) are fixed；
The third locking nut and the 4th locking nut on each guide rod (12) are in the second assembled state,
The supporting plate (14) being capable of the guide rod described in the drive lower edge of the regulating device (12) axial movement.
7. loading device according to claim 6, which is characterized in that
It is threadedly engaged on each guide rod (12) and is provided with the 5th locking nut；
The 5th locking nut and the pedestal (15) on each guide rod (12), which contradict, to be connected.
8. loading device according to claim 7, which is characterized in that
The both ends of each sliding block (6) axially offer the through-hole that is slidably connected along the slide bar (7)；
The through-hole that is slidably connected of first sliding block one end is set on first slide bar, the sliding of the other end
Connection through-hole is set on second slide bar；First sliding block can slide axially along the slide bar (7)；
The through-hole that is slidably connected of second sliding block one end is set on first slide bar, the sliding of the other end
Connection through-hole is set on second slide bar；Second sliding block can slide axially along the slide bar (7).
9. according to loading device described in claim requirement 8, which is characterized in that
The excitation simulator (13) includes hydraulic actuator, and the hydraulic actuator is fixed at the supporting plate (14)
On；
Further include having:
Fixed plate (8) is vertically arranged with the supporting plate (14), and is fixedly connected with the pedestal (15), thereon along the supporting plate
(14) horizontal direction offers at least one first T-slot；
Sliding panel (1), one side axially offer at least one second T-slot along the guide rod (12), and the other side is provided with
At least one first sliding protrusion, each first sliding protrusion clearance fit are arranged in first T-slot；
Sliding shoe (4), one side are detachably secured with the hydraulic actuator root and connect, one side be provided with to
Few one second sliding protrusion, each first sliding protrusion clearance fit are arranged in first T-slot.
10. loading device according to claim 9, which is characterized in that
The connection of at least one first slide bolt is provided on the sliding panel (1), first slide bolt includes
First locking state, first slide bolt and the first T-slot wall surface contradict, the sliding panel (1) with it is described
Fixed plate (8) position is relatively fixed；
First sliding mode, first slide bolt and the first T-slot wall surface are detached from, and the sliding panel (1) being capable of edge
First T-slot is moved axially with respect to the fixed plate (8)；
The connection of at least one second slide bolt is provided on the sliding shoe (4), second slide bolt includes
Second locking state, second slide bolt and the second T-slot wall surface contradict, the sliding shoe (4) with it is described
Sliding panel (1) position is relatively fixed；
Second sliding mode, second slide bolt and the second T-slot wall surface are detached from, and the sliding shoe (4) being capable of edge
Second T-slot is moved axially with respect to the sliding panel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811341684.6A CN109540486A (en) | 2018-11-12 | 2018-11-12 | A kind of height-adjustable excitation loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811341684.6A CN109540486A (en) | 2018-11-12 | 2018-11-12 | A kind of height-adjustable excitation loading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109540486A true CN109540486A (en) | 2019-03-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811341684.6A Pending CN109540486A (en) | 2018-11-12 | 2018-11-12 | A kind of height-adjustable excitation loading device |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110654568A (en) * | 2019-09-29 | 2020-01-07 | 中国直升机设计研究所 | Hub couple loading device |
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| CN204588602U (en) * | 2015-01-06 | 2015-08-26 | 唐山学院 | The highly self-adjustable counter-force loading frame of a kind of loading |
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| JP2003028750A (en) * | 2001-07-10 | 2003-01-29 | Kyoei Technica Kk | Device for examining shock absorber |
| CN204588602U (en) * | 2015-01-06 | 2015-08-26 | 唐山学院 | The highly self-adjustable counter-force loading frame of a kind of loading |
| CN204495521U (en) * | 2015-04-07 | 2015-07-22 | 中国直升机设计研究所 | A kind of can three directions regulate hydraulic exciting mechanism |
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| CN110654568A (en) * | 2019-09-29 | 2020-01-07 | 中国直升机设计研究所 | Hub couple loading device |
| CN110654568B (en) * | 2019-09-29 | 2022-09-06 | 中国直升机设计研究所 | Hub couple loading device |
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